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Questions tagged [raspicam]

The CSI interface camera from the Raspberry Pi Foundation available in a natural colour and a NoIR version without infrared filter, latter is suited for night vision and other special applications.

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How to use raspicam with Visual Studio 2017 and C/C++

In Visual Studio 2017 I created a new project using the cross-platform linux Blink (Raspberry) template. This compiles and runs perfectly and the debugger in the Debug->Linux Console also works pretty ...
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Video streaming over Bluetooth from RPi3 to android app

I'm building a robot that is controlled using a Android app by sending commands over Bluetooth. I would like to also get a video over bluetooth to my android app from RPi3. My question here is, did ...
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Camera's LED is on, but no picture

Trying to connect original Raspberry camera to Pi 3. I have camera's red LED on, but no picture. vcgencmd get_camera supported=1 detected=0 What are the next steps I must do in order to find the ...
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MMAL failing to create camera component

I've been messing around with Raspicam and MMAL on my Pi 2 for a bit now and today when I tried to run my code, I got this error. Thought it might be my code, so I tried running one of the example ...
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Read Qr-Code from Raspberry Pi Camera in Browser with Flask

Im stuck with implementing a Qr-Code Scanner I found here: https://stackoverflow.com/questions/23538522/scanning-qr-code-via-zbar-and-raspicam-modul I already managed to set up the Raspberry Pi ...
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Pi Camera preview not showing and image not being captured on laptop

I just started working on Raspberry Pi 3 Model B and have set it up on my laptop. I have connected it using an Ethernet port with a VNC Viewer. In my project I need to capture images during the ...
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286 views

Raspistill picture washed out or complete green in direct sunlight

I've create a script to take pictures periodically using my Raspberry Pi Zero W and a camera module. The script works, but I find the exposure lacking. In sunlight, the pictures are washed out or ...
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Ways of getting video out of the Pi camera

I wonder what are all the methods of getting video out of the Pi camera. Reading this: http://wiki.oz9aec.net/index.php/Raspberry_Pi_Camera And this:https://www.raspberrypi.org/documentation/usage/...
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White Balance Drift off from Pi Camera

I'm currently trying to develop image tracking using color in Python 3 and OpenCV. But i am facing problem in PiCamera. At the moment, i've done some method to fix white balance, shutter speed, and ...
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188 views

NoIR raspicam v2.1 not seeing in infrared but NoIR raspicam v1.3 does

I bought several raspicam v2.1's assumming they let IR in like previous versions, however I can barely see anything. See the picture for the comparison, top picture is v2.1 and bottom is v1.3 What is ...
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918 views

How can I get the raspberry Pi camera working with c++ on OpenCV 3.2?

I was pleased to read about the addition of ARM support in the Opencv 3 change log, and decided to try installing OpenCV3.2 on my raspberry Pi. The installation appears to have been a success, and ...
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483 views

Raspberry Pi Camera v2 Setup with Mjpg-Streamer [Fluent settings] Needed

I have been working on installing raspberry pi camera v2 with mjpg-streamer to create a local webcam server. When I use my Microsoft HD 3000 Webcam, it is very fluent. But that uses input_uvc.so. ...
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627 views

How would I measure performance of Motion vs raspivid?

I'm new-ish to programing, and a total n00b to RPIs. I have a RPI 3, with the raspicam V2, and I'm trying to figure out which app draws less resources, between Motion ( http://www.lavrsen.dk/foswiki/...
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recording 2 videos of 2 different pictures

I'm using raspberry pi with python and I'm trying to record a video of : regular video stream a picture from that stream that showes a circle identification (using hough transform ) cv2.circle =...
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316 views

Fast Bayer Sensor Capture

I'm trying to get something like "live preview" based on the actual Bayer Array Pixels for precise high resolution measurements (I need high spatial resolution + 10 Bit data + some custom color scale)....
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How to rotate motion's output

I've made a pan/tilt device with a raspberry pi 3 and I'm looking for a way to flip the stream when the camera tilts past 90 degrees. I'm using mjpg-streamer with motion, but wondering if streaming ...
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706 views

raspicam and uv4l-server as netcam on Motion

Setup: Raspberry Pi 2 B Raspberry Pi Camera Board - PiNoir uv4l-server and uv4l with uv4l_raspicam driver @ 640x480 px Motion by lavrsen.dk I am doing live streaming with uv4l-server at http://...
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109 views

What is the pixel per degree ratio for the Pi cam?

Sensor resolution 2592 x 1944 pixels Horizontal field of view 53.50 +/- 0.13 degrees then horizontally, pixel/degree = 2592/53.5 = 48.45 If I change my resolution to 720 x 1280 pixels, what ...
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665 views

NDVI image without filter

Is it possible to create an NDVI heat map from an image that has been taken without a blue filter being used? The images were taken using the NoIR camera on the Raspberry Pi.
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555 views

Y value of image obtained using Picamera Python documentation fluctuates wildly

I have been working with picamera python analysis class a bit lately. What I am using is here to get a YUV array, and then perform some simple analysis on it. When I try to isolate the Y page of the ...
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750 views

RaspiMJPEG could not creat camera

I recently tried out the rpi cam web interface (v6.0.2) on the raspberry pi 2, running rasbian. Although the camera (rpi stock camera, connected by csi) works fine and the webpage it produces is ...
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2 scripts need every frame from NOIR camera board at same time

I have two opencv2/Python scripts running at the same time on the same Raspberry PI. A streaming server script based on this, that outputs a live camera feed to the web a motion detection script, ...
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Python attribute error with Raspberry Pi Camera

I have been coding a python 3 program which allows a user to easily take pictures with the raspberry pi camera. The program works up to the Camera_Capture method which takes the picture. When it is ...
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Trouble running Pi NoIR camera board at documented speeds

The Pi camera board is described as running HD video at 30fps or 0.033spf. I'm using the picamera python module (the only API I could find) and trying to implement the client example. At less than ...
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Ideas for limited camera pan and tilt

I have a number of Pis, each with a camera module attached. I've mounted the cameras on a flat board side by side, but have discovered that there are physical inconsistencies in the camera modules ...
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722 views

Reset Pi Noir Camera

I have developed a system (Raspbian / Python) with detects someone's presence through a PIR sensor and records a 15' video with a Pi NoIR camera. This is command I call to record the video: Popen(["...
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179 views

Camera Full Preview stops display

Using raspistill -fp -o test.jpg causes my monitor (actually a tv) to receive no input (just get a blue screen) for the duration of the preview. This also happens using the python picamera module with ...
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1answer
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How to stream and store video from Raspberry Pi camera and watch it live

I want to create a live video streaming through raspberry pi which can be integrated with my website. The stream must be an open standard so that it can be easily played on any JS video player with ...
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Is Raspberry Pi Using the Same Coding and Encoding in Live Video Streaming as in Ubuntu and on other Machines?

Recently, I have been tagged to work with the Raspberry Pi 4, and with the action camera that I have plugged to work with it as a webcam. However, the Live Video that is streamed through Raspberry Pi ...
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14 views

OV5647 Camera: 60fps preview has bad quality

I have a camera module from arducam with an OV5647 CMOS CCD sensor on it (NOIR). This camera is connected via CSI interface to a Raspberry Pi 3A+. I would like to have a camera preview with HD (720p) ...
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picamera.exe.PiCameraIOError: Failed to write 291840 bytes from buffer to output <picamera.stream.BufferIO object at 0x62f70c60>

Using the PiCamera Advanced Recipies in the link I am trying to capture the image to a numpy array. My code basic lines of code are. final_image = np.empty((height , width , 3), dtype=np.uint8) ...
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RaspiCam IVPort Dual Camera Multiplexer failure

I'm trying to design an RPi based system that should switch between two raspberry cameras. I just need to switch between the two cameras I don't need to mix their frames in any way. Moreover, in the ...
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How to calculate the battery usage of raspberry pi with 2 motor drives

We have a raspberry pi 4 with 2 12v motor drive L298, 5 ultrasonic sensors, and raspberry pi camera but we need to know how to calculate the battery usage of all these chips, could anyone help with ...
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How to get stream to function?

I recently started a project to make a 24/7 stream on my ras pi. I hooked up the camera module v2 any the system detects it. I updated and upgraded then installed motion. I ran sudo modprobe bcm2835-...
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Raspistill turn all auto off

I was woundering is possible to turn off everything automatic on raspberrypi camera using raspistill, I know it is posible to set specific value for some modes like awb, ex ... I am having problem ...
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Where did /dev/video0 go?

The Pi camera in my Pi Zero W stopped working. Possibly because /dev/video0 vanished. Can anyone say why? In the meantime I have these three devices instead .. pi@easy:~ $ ls -l /dev/video* crw-rw---...
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Raspberry Pi Camera V2 resolution reduced

I am testing my Raspi Cam V2 on raspi model 4B running buster, I was able to get 1080p videos at 30fps and it supported the below formats $ ffmpeg -f v4l2 -list_formats all -i /dev/video0 [...
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Why does raspistill take 10× more real time than the shutter time I set?

I've installed the camera module v2.1, and now I'm trying to make long-exposure photos with it. I seem to get correct results, i.e. the image is bright enough corresponding to the large exposure time, ...
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Need troubleshoot fix my Raspberri Pi camera

So my MotionEye setup works fine, but after like 24 hours everyday, when I go connect the IP address it won't connect for some reason... And I can see that the Raspberry Pi3 and the Camera is working, ...
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Desire line mapping with Raspberry Pi and Python

Desire lines normally refer to paths created by humans as a result of excessive use, as that path is the most efficient form of transportation. So if I mount my Pi Camera looking at an intersection, ...
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33 views

Raspberry Pi Live Stream + Image Capture

I'm wanting to set up a camera using a PI. This camera will capture images of vehicle registration plates when motion is detected, to be checked and validated. Is it possible to both live stream and ...
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NoIR camera - Photo and and video frame size looks different

I'm trying to create a feature matching script using NoIR camera. What I'm doing is take a picture using and compare it with the real time video feed. Everything works fine but the the live video ...
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137 views

Using Raspberry Pi Camera (CSI) with Windows 10 IoT Core

I want to use the official Raspberry Pi Camera on my Pi which is running the current Build of Windows 10 IoT Core. I figured out that this will not to work using the UWP stack. Microsoft Tutorial ...
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240 views

How can I set up video calling with out the video lagging 3-5s? (lag is local to the pi, before transmission to other clients)

I am doing video conferencing on my Raspberry Pi 3b+. I have tried both Google Hangouts, Google Meetings and Jitsu but the best (GM with resolution set to low at both ends) still have a 3-5s lag ...
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Is it possible to gradually save data while recording. In order not to lose them in case of power failure?

I use the ffmpeg library to record audio and video. If a power failure occurs, the video file becomes 0 bytes. How can I record, so as not to lose data? my ffmpeg configuration ffmpeg \ -hide_banner ...
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66 views

capturing video stream using piCam

i'm trying to capture the video stream using piCam. but i get this warning and the execution stops this the code: this the code I used: import numpy as np import cv2 cap = cv2.VideoCapture(0) cap....
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PiCamera Minimal latency between real world event and digital data presence

Using a picamera, what is the best latency one can achieve from a real world event like an led lighting up and the Pi/MCU 'knowing' it has occured(by extracting image data)? I would also be ...
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Raspberry Pi Camera to load face recognition trained model located in desktop

I'm setting up a security application to have real-time face recognition on Rasp Pi Camera. The face dataset are gathered using laptop and the trained model are also located in laptop directory. Is ...
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293 views

How to control the raspberry pi over internet using android app?

I had bought a Raspberry pi 3b+ recently to make many of the projects I had dreamed of. Most of these (or maybe all) involves controlling the GPIO pins over the internet using an app. One of the ...
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338 views

Raspberry Pi w/ Pi Cam streams video great to Mac but not to iPhone

I set up my Raspberry Pi Zero W to stream video using this tutorial on how to implement RPi-Cam-Web-Interface. https://elinux.org/RPi-Cam-Web-Interface I then set up the Pi to be an access point so ...